Method for producing 2-chloromethylphenyl acetic acid derivatives

    公开(公告)号:AU2003215553B2

    公开(公告)日:2009-05-28

    申请号:AU2003215553

    申请日:2003-02-06

    Applicant: BASF AG

    Abstract: The invention relates to a method for producing 2-chloromethylphenyl acetic acid derivatives of formula (I), in which X represents C1-C4 alkoxy or methylamino, by cleaving the ether bonds in compounds of formula (II), in which R represents C1-C4 alkyl, C1-C4 alkoxy, C1-C2 alkyl halide, C1-C4 alkylcarbonyl, C1-C4 alkylcarbonyloxy, halogen, nitro or cyano, and X has the above-mentioned meaning. The inventive method is characterized in that the transformation takes place in the presence of hydrogen chloride and of an inert solvent, and in that a catalyst selected from the group comprised of: iron, indium or halogenides, oxides or triflates thereof is added to the reaction mixture.

    Method for producing 2-chloromethylphenyl acetic acid derivatives

    公开(公告)号:ZA200407706B

    公开(公告)日:2006-06-28

    申请号:ZA200407706

    申请日:2004-09-23

    Applicant: BASF AG

    Abstract: The invention relates to a method for producing 2-chloromethylphenyl acetic acid derivatives of formula (I), in which X represents C1-C4 alkoxy or methylamino, by cleaving the ether bonds in compounds of formula (II), in which R represents C1-C4 alkyl, C1-C4 alkoxy, C1-C2 alkyl halide, C1-C4 alkylcarbonyl, C1-C4 alkylcarbonyloxy, halogen, nitro or cyano, and X has the above-mentioned meaning. The inventive method is characterized in that the transformation takes place in the presence of hydrogen chloride and of an inert solvent, and in that a catalyst selected from the group comprised of: iron, indium or halogenides, oxides or triflates thereof is added to the reaction mixture.

    PROCEDIMIENTO PARA LA OBTENCION DE DERIVADOS DE ACIDO 2-CLOROMETILFENILACETICO.

    公开(公告)号:ES2248762T3

    公开(公告)日:2006-03-16

    申请号:ES03742928

    申请日:2003-02-06

    Applicant: BASF AG

    Abstract: Procedimiento para la obtención de derivados de ácido 2-clorometilfenilacético de la fórmula I en la que X representa alcoxi con 1 a 4 átomos de carbono o metilamino, mediante disociación de éter de compuestos de la fórmula II en la que R significa alquilo con 1 a 4 átomos de carbono, alcoxi con 1 a 4 átomos de carbono, alquilo halogenado con 1 a 2 átomos de carbono, alquilcarbonilo con 1 a 4 átomos de carbono, alquilcarboniloxi con 1 a 4 átomos de carbono, halógeno, nitro o ciano, y X posee el significado citado anteriormente, caracterizado porque la reacción tiene lugar en presencia de cloruro de hidrógeno y un disolvente inerte, y se añade a la mezcla de reacción un catalizador seleccionado a partir del grupo: hierro, indio o sus halogenuros, óxidos y triflatos.

    56.
    发明专利
    未知

    公开(公告)号:DE50301191D1

    公开(公告)日:2005-10-20

    申请号:DE50301191

    申请日:2003-02-06

    Applicant: BASF AG

    Abstract: The invention relates to a method for producing 2-chloromethylphenyl acetic acid derivatives of formula (I), in which X represents C1-C4 alkoxy or methylamino, by cleaving the ether bonds in compounds of formula (II), in which R represents C1-C4 alkyl, C1-C4 alkoxy, C1-C2 alkyl halide, C1-C4 alkylcarbonyl, C1-C4 alkylcarbonyloxy, halogen, nitro or cyano, and X has the above-mentioned meaning. The inventive method is characterized in that the transformation takes place in the presence of hydrogen chloride and of an inert solvent, and in that a catalyst selected from the group comprised of: iron, indium or halogenides, oxides or triflates thereof is added to the reaction mixture.

    METHOD FOR PRODUCING 2-CHLOROMETHYLPHENYL ACETIC ACID DERIVATIVES

    公开(公告)号:PL371057A1

    公开(公告)日:2005-06-13

    申请号:PL37105703

    申请日:2003-02-06

    Applicant: BASF AG

    Abstract: The invention relates to a method for producing 2-chloromethylphenyl acetic acid derivatives of formula (I), in which X represents C1-C4 alkoxy or methylamino, by cleaving the ether bonds in compounds of formula (II), in which R represents C1-C4 alkyl, C1-C4 alkoxy, C1-C2 alkyl halide, C1-C4 alkylcarbonyl, C1-C4 alkylcarbonyloxy, halogen, nitro or cyano, and X has the above-mentioned meaning. The inventive method is characterized in that the transformation takes place in the presence of hydrogen chloride and of an inert solvent, and in that a catalyst selected from the group comprised of: iron, indium or halogenides, oxides or triflates thereof is added to the reaction mixture.

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